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A bullet is shot though ballistic gell. After the bullet passes through, there is a flash like an explosion, what is going on?
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2016-11-03, 01:37 AM #1The Undying
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What is the flash? Bullet passin through balistic gell
Last edited by Independent voter; 2016-11-03 at 01:44 AM.
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2016-11-03, 01:49 AM #2Over 9000!
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2016-11-03, 02:39 AM #3Scarab Lord
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Yeah, sound waves in laymen's terms.
Originally Posted by PhaelixWW
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2016-11-03, 04:34 AM #4Old God
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Look up Pistol Crabs. They do the same thing.
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2016-11-03, 05:08 AM #5Titan
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Depends on how close they shot the gel from. Looks almost like unburnt powder to me.
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2016-11-03, 05:12 AM #6The Unstoppable Force
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I suspect you're seeing adiabatic compression of gas in the cavity (notice the ends get sealed off), heating it like in a diesel engine. The flash might be ignition of particles shed from the gel, or simply the gas getting hot enough to emit light on it own.
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2016-11-03, 08:58 AM #7Deleted
Fabulous image though, watched it like, 10 times in a row.
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2016-11-03, 11:19 AM #8Titan
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This. Due to the sudden contraction and resulting compression the temperature is raised suddenly which seems to initate some chemical reaction. Originally Posted by Vegas82
It is apparent from the colour fo the flame, the resulting smoke and the burnt patch in the gel that you can see towards the end of the sequence.
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2016-11-03, 11:43 AM #9Old God
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Pistol crabs do the same thing to stun prey.
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2016-11-03, 12:57 PM #10Deleted
How can this be useful?
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2016-11-03, 01:03 PM #11Scarab Lord
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That cavitation though. Damn.
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